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perf tools: Add lsdir() helper to read a directory

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As a utility function, add lsdir() which reads given directory and store
entry name into a strlist.  lsdir accepts a filter function so that user
can filter out unneeded entries.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160426090242.11891.79014.stgit@devbox
[ Do not use the 'dirname' it is used in some distros ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Masami Hiramatsu
2016-04-26 18:02:42 +09:00
committed by Arnaldo Carvalho de Melo
parent 062d6c2aec
commit e1ce726e1d
2 changed files with 37 additions and 0 deletions
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3
tools/perf/util/util.h
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@@ -79,6 +79,7 @@
#include <termios.h>
#include <linux/bitops.h>
#include <termios.h>
#include "strlist.h"
extern const char *graph_line;
extern const char *graph_dotted_line;
@@ -222,6 +223,8 @@ static inline int sane_case(int x, int high)
int mkdir_p(char *path, mode_t mode);
int rm_rf(char *path);
struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
bool lsdir_no_dot_filter(const char *name, struct dirent *d);
int copyfile(const char *from, const char *to);
int copyfile_mode(const char *from, const char *to, mode_t mode);
int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64 size);